#title {
  color: rebeccapurple;
}

.box1 {
  width: 100px;
  height: 100px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url(../img/vue.jpg);
}

.box2 {
  width: 100px;
  height: 100px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url(../img/angular.jpg);
}

.box3 {
  width: 100px;
  height: 100px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url(../img/react.png);
}

.box4 {
  width: 200px;
  height: 200px;
  background-color: rebeccapurple;
  display: flex;
  backface-visibility: hidden;
}
